Drum chamber



FIG. 1 is a frontal view of the drum chamber showing my new design;

FIG. 2 is a view the right side of the drum chamber;

FIG. 3 is a view of the bottom of the drum chamber;

FIG. 4 is a rear view showing the entrance to the drum chamber;

FIG. 5 is a view of the left side of the drum chamber;

FIG. 6 is a view of the top of the drum chamber; and,

FIG. 7 is an oblique perspective view of the front of the drum chamber. 

The ornamental design for a drum chamber, as shown. 